Report #2888291

Received Mar 13, 2026

A note on interpretation. VAERS reports are unverified and may be incomplete or coincidental. A report does not establish that a vaccine caused an event, and counts should not be used to calculate incidence or infer causation. Full disclaimer

Overview

Sex: Male
Age: 9 yrs
State: PA
Recovered: Unknown
Vaccinated: Feb 25, 2026
Onset: Feb 1, 2026
Days to onset: —
Hospital days: —

Vaccines (4)

Type	Name	Manufacturer	Dose	Lot	Route / Site
HEP	HEP B (RECOMBIVAX HB)	MERCK & CO. INC.	4	Z010340	OT
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	UNK	Z011862	OT
HEP	HEP B (RECOMBIVAX HB)	MERCK & CO. INC.	UNK	Z010340	IM / RA
MMRV	MEASLES + MUMPS + RUBELLA + VARICELLA (PROQUAD)	MERCK & CO. INC.	UNK	—	IM / LA

Symptoms (2)

Extra dose administeredNo adverse event

Symptom narrative

Patient was given an extra dose of these vaccines.